Gerald Raath @geraldraath ?
active 5 months, 4 weeks ago-
Gerald Raath commented on the blog post Solar Powered Air Pump Info 5 months, 4 weeks ago · View
Thanks for som great ideas. The obvious logistical issue is to be able have controllable volume bubble pump action 24/7 which is challenging unless you can “store” power for night time pumping continuity. Batteries big enough to do the job adequately are just way to costly so not a viable option. Please let me know [...]
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Gerald Raath and britta are now friends 1 year ago · View
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Gerald Raath wrote a new blog post: Solar Powered Air Pump Info 1 year, 8 months ago · View
Can anyone advise how to go about providing solar power to the air pump system? I want to achieve a stand alone prototype operation that can be used by poor communties in Africa where there is no power other than sun. As I will be funding these myself the cheaper the more can be [...]
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Gerald Raath posted an update: 1 year, 9 months ago · View
I want to teach poorer people in Africa how to feed themselves ecomically with healthy green veg and have been looking for a method that is cheap that can easily be replicated fast to many. As a marketer I envisage involving mainstream media there too
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Gerald Raath became a registered member 1 year, 9 months ago · View
